Bis(pentamethylcyclopentadienyl)ruthenium(II)
Bis(pentamethylcyclopentadienyl)ruthenium(II), CAS 84821-53-4, with formula Ru(C5(CH3)5)2 and a molecular weight of 371.52 g/mol, is a solid organometallic compound. It serves as a valuable precursor in materials science, particularly for Chemical Vapor Deposition (CVD) and Atomic Layer Deposition (ALD) processes. Its applications extend to catalysis and the synthesis of advanced materials.
- IUPAC
- Decamethylruthenocene
- Synonyms
- Decamethylruthenocene

CVD and ALD Precursor
Utilised in the deposition of thin ruthenium films for microelectronics and catalytic applications. Its thermal decomposition characteristics are suitable for creating high-quality coatings.
Catalysis
Acts as a catalyst or catalyst precursor in various organic synthesis reactions. Ruthenium complexes are known for their diverse catalytic activities.
Materials Science
Employed in the development and synthesis of novel materials with specific electronic or catalytic properties. Useful for research into new functional materials.
Chemical Synthesis
A reagent in organometallic chemistry for the synthesis of complex ruthenium-containing compounds. Facilitates the introduction of ruthenium into organic frameworks.
| Molecular weight | 371.52 |
|---|---|
| Linear formula | Ru(C5(CH3)5)2 |
| Assay | 97% |
| Form | solid |
| Melting point | 260 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Bis(pentamethylcyclopentadienyl)ruthenium(II) used for?
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Bis(pentamethylcyclopentadienyl)ruthenium(II) is primarily used as a precursor in Chemical Vapor Deposition (CVD) and Atomic Layer Deposition (ALD) for creating thin films, as well as in catalysis and general chemical synthesis.
What are the CAS number and formula for Bis(pentamethylcyclopentadienyl)ruthenium(II)?
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The CAS number is 84821-53-4 and the formula is Ru(C5(CH3)5)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bis(pentamethylcyclopentadienyl)ruthenium(II) with an assay of 97%. This product is not guaranteed to be USP, BP, or EP grade.
What are the main hazards associated with this compound?
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This compound is classified with a Warning signal word and carries hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used during handling.
How is this chemical packed and exported by TSS?
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Tech Serve Solutions, established in 1998, is a specialist global supplier and exporter of fine chemicals, including Bis(pentamethylcyclopentadienyl)ruthenium(II). We ensure appropriate packaging for safe international shipment.
How can I request a quote or sample?
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To request a quote or a sample of Bis(pentamethylcyclopentadienyl)ruthenium(II), please contact our sales department through the website or by phone.
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